Premkumara

Accuracy Assessment of Box-Jenkins SARIMA Model for Forecasting Potential Evapotranspiration in Bidar District, Karnataka, India

Premkumara, Praveen, P, Pragna Guguloth, Mallikarjun Reddy, Basavareddy & Anjanakumara, G · Journal of Geography, Environment and Earth Science International · 2025

Accurate prediction of potential evapotranspiration (PET) is crucial for effective irrigation management and sustainable water resource planning. Evapotranspiration (ET) is one of the most significant components of the hydrologic cycle, as a large proportion of the precipitation...

Open access Research Article 10.9734/jgeesi/2025/v29i6906

Spatial and Temporal Analysis of Rainfall and Temperature Trend of Kagina River Catchment, India

Premkumara, Prasad S. Kulkarni, U. Satishkumar, Janardan B. Kambale, B.S. Reddy & Shyamrao Kulkarni · Journal of Scientific Research and Reports · 2025

Change poses a significant challenge, causing notable variations in temperature and precipitation patterns worldwide. This study analyzes the rainfall and temperature trends over the Kagina river catchment in India for a 42-year period (1981–2022) to assess the spatial and tempor...

Open access Research Article 10.9734/jsrr/2025/v31i22843

Long-term Analysis of Rainfall Variability and Drought Characteristics for Climate-resilient Agricultural Planning in Ballari District, Karnataka, India

Umarfarooque Momin, Dinesh Kumar S. P., Kumara. B. H. & Premkumara · Journal of Geography, Environment and Earth Science International · 2026

Rainfall variability and drought occurrence are major challenges affecting agricultural productivity and water resource management in the semi-arid regions of India. The present study was undertaken to analyse long-term rainfall variability, rainfall anomalies, drought characteri...

Open access Research Article 10.9734/jgeesi/2026/v30i91118